{% for i in 0..10 %}{{ i }} {% endfor %}

{% for letter in 'a'..'z' %}{{ letter }} {% endfor %}

{% for letter in 'a'|upper..'z'|upper %}{{ letter }} {% endfor %}

{% for i in foo[0]..foo[1] %}{{ i }} {% endfor %}

{% for i in 0 + 1 .. 10 - 1 %}{{ i }} {% endfor %}
